Seismic tomography of the uppermost inner core

S Burdick, L Waszek, V Lekić - Earth and Planetary Science Letters, 2019 - Elsevier
Seismic body wave and normal mode analyses have revealed that the inner core is solid,
strongly anisotropic, and characterized by dramatic quasi-hemispherical differences in …

[HTML][HTML] 3D transdimensional seismic tomography of the inner core

H Brett, R Hawkins, L Waszek, K Lythgoe… - Earth and Planetary …, 2022 - Elsevier
Body wave observations of the Earth's inner core show that it contains strong seismic
heterogeneity, both laterally and radially. Models of inner core structure generated using …

Measuring group velocity in seismic noise correlation studies based on phase coherence and resampling strategies

M Schimmel, E Stutzmann… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Seismic noise cross correlation studies are of increasing importance in the seismological
research community due to the ubiquity of noise sources and advances on how to use the …

Ultrabroadband seismic and tsunami wave observation of high‐sampling ocean‐bottom pressure gauge covering periods from seconds to hours

T Kubota, T Saito, NY Chikasada… - Earth and Space …, 2020 - Wiley Online Library
Recent developments of ocean‐bottom pressure gauges (PG) have enabled us to observe
various waves including seismic and tsunami waves covering periods of T∼ 100–103 s. To …

A Search for Large‐Scale Variations in the Fine‐Scale Structure of Earth's Inner Core

SM Wu, G Pang, KD Koper… - Journal of Geophysical …, 2022 - Wiley Online Library
A hemispherical pattern in inner core attenuation (Q) has been observed from the apparent
Q of inner core transmitted waves (PKPDF). How the elastic scattering (QSC) originating …

[HTML][HTML] Travel time curves and isochron maps from the Borovoye digital archive for the Nevada and Semipalatinsk Nuclear Test Sites

KS Nepeina, V An - Results in Geophysical Sciences, 2021 - Elsevier
The paper presents generalized parameters of digital seismograms of the Borovoye
Geophysical Observatory (BRVK). The seismograms were obtained after reformatting the …

Imaging the inner core under Africa and Europe

JCE Irving - Physics of the Earth and Planetary Interiors, 2016 - Elsevier
The inner core under Africa is thought to be a region where the nature of inner core texture
changes: from the strongly anisotropic 'western'part of the inner core to the weakly …

Non quasi-hemispherical seismological pattern of the earth's uppermost inner core

M Ivan, R Wang, R Hofstetter - Scientific Reports, 2018 - nature.com
We assembled a database consisting of 5,404 PKIKP/PKiKP observations from 555 events,
where PKIKP is the phase sampling the inner core (IC) and PKiKP is the phase reflected at …

[图书][B] Seismic Imaging of Deep Mantle Plumes and Inner-Outer Core Boundary Heterogeneity Using Core Waves

P Nelson - 2020 - search.proquest.com
The large contrast of physical properties across the core-mantle boundary (CMB) results in
complicated seismic raypaths that can be used to study the deep earth. In this dissertation, I …

Exploring Heterogeneities near Earth's Inner Core Boundary with Seismic Body Waves

MS Desilva - 2017 - digitalcommons.lib.uconn.edu
The mechanism of inner core solidification drives the compositional and thermal convection
in outer core, sustaining the Earth's geodynamo. Hence any differences in the manner of …